Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RBG callsign genealogy
Currently held by Grant, Robert
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K9RBG's current licensee, walking backwards.
- Grant, RobertCAgranted 2021-09-20cancelled 2021-10-16
Successor callsigns
Callsigns held now by people who previously held K9RBG.
No current licensee on record previously held this callsign.